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Hydrochloric Acid → Methyl 2-[3-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-pyridyloxy]-propionate

HRID 493913
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 493913
N(OCCC(C)C)=O.N[C:10]1[CH:29]=[C:28]([F:30])[C:27]([N:31]2[C:36](=[O:37])[CH:35]=[C:34]([C:38]([F:41])([F:40])[F:39])[N:33]([CH3:42])[C:32]2=[O:43])=[CH:26][C:11]=1[O:12][C:13]1[C:14]([O:19][CH:20]([CH3:25])[C:21]([O:23][CH3:24])=[O:22])=[N:15][CH:16]=[CH:17][CH:18]=1.[ClH:44]>[Cu]Cl.[Cu](Cl)Cl.C(#N)C>[Cl:44][C:10]1[CH:29]=[C:28]([F:30])[C:27]([N:31]2[C:36](=[O:37])[CH:35]=[C:34]([C:38]([F:41])([F:40])[F:39])[N:33]([CH3:42])[C:32]2=[O:43])=[CH:26][C:11]=1[O:12][C:13]1[C:14]([O:19][CH:20]([CH3:25])[C:21]([O:23][CH3:24])=[O:22])=[N:15][CH:16]=[CH:17][CH:18]=1
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Komponenten

7

Edukt 3

HCID 313Hydrochloric AcidHCID 8053Isoamyl NitriteHCID 121155033-{2-Amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine

Produkt 1

HCID 12115504Methyl 2-[3-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-pyridyloxy]-propionate

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24014Cupric ChlorideKatalysator
HCID 62652Cuprous chlorideKatalysator
HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

First, 18 mg of isoamyl nitrite was added dropwise to a mixture of 0.16 g of methyl 2-[3-{2-amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-pyridyloxy]propionate, 63 mg of copper (I) chloride, 129 mg of copper (II) chloride, and 1.5 ml of acetonitrile at 0° C., and the mixture was stirred for 1 hour and further stirred at room temperature for 1 hour. The reaction mixture was poured into a mixture of 1N hydrochloric acid and ice, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel column chromatography to give 0.12 g of methyl 2-[3-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-pyridyloxy]propionate (compound b-6) as a mixture of diastereoisomers.

Aufarbeitung

  1. stirringfurther stirred at room temperature for 1 hour
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated aqueous sodium chloride solution
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-1d331a69ad714cc79f4a306c06f06254
Quelldatensatz
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07538072B2

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